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File Version : 2007. 3. 12. 1 built by: WinDDK
Description : nProtect KeyCrypt Driver
Copyright : Copyright INCA Internet Co., Ltd. All rights reserved. 2000-2007
Product Version : 5. 0. 0. 0
Product Name : nProtect KeyCrypt Driver
Company Name : INCA Internet Co., Ltd.
Internal Name : npkuft64.sys
File Size: 28448 byte(s) 27.800 KB
MD5 : 2b0e7a694bc68ad776a29dd7bf644b10
SHA1: CAA22A42C86250072C8E02F300C84F9F088219B2

Download nvapu64.sys
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How to Install nvapu64.sys
Repair Sys ProblemsFixing a corrupted or missing nvapu64.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.